• (n.) The state of being numerous; numerousness. • (n.) Rhythm; harmony; flow. • (n.) Rhythm; harmony; flow. • (n.) The state of being numerous; numerousness. Found on http://thinkexist.com/dictionary/meaning/numerosity/
Nu`mer·os'i·ty noun [ Latin numerositas .] 1. The state of being numerous; numerousness. [ Obsolete] 2. Rhythm; harmony; flow. [ Obsolete] « The numerosity of the sentence pleased the ear.» S. Parr. Found on http://www.encyclo.co.uk/webster/N/40